<template>
  <div class="swiper-container" ref="Swiper">
    <div class="swiper-wrapper">
      <div class="swiper-slide" v-for="(item,index) in skuImageList" :key="item.id" @click="changeDefaultImg(index)">
        <img :src="item.imgUrl" />
      </div>
    </div>
    <div class="swiper-button-next"></div>
    <div class="swiper-button-prev"></div>
  </div>
</template>

<script>
import Swiper from "swiper"
export default {
  name: "ImageList",
  props: ["skuImageList"],
  methods:{
    changeDefaultImg(index){
      this.$bus.$emit("defaultImg",index);
    }
  },
  watch:{
    skuImageList:{
      immediate:true,
      handler(){
        this.$nextTick(()=>{
          new Swiper(this.$refs.Swiper,{
              // 如果需要分页器
              pagination: {
              el: ".swiper-pagination",
            },
              // 如果需要前进后退按钮
            navigation: {
              nextEl: ".swiper-button-next",
              prevEl: ".swiper-button-prev",
            },
             //控制当前视口中依次展示几个slide
            slidesPerView: 2,
            //每次切换走几个slide
            slidesPerGroup: 2,
          })
        })
      }
    }
  }
};
</script>

<style lang="less" scoped>
.swiper-container {
  height: 56px;
  width: 412px;
  box-sizing: border-box;
  padding: 0 12px;

  .swiper-slide {
    width: 56px;
    height: 56px;

    img {
      width: 100%;
      height: 100%;
      border: 1px solid #ccc;
      padding: 2px;
      width: 50px;
      height: 50px;
      display: block;

      &.active {
        border: 2px solid #f60;
        padding: 1px;
      }

      &:hover {
        border: 2px solid #f60;
        padding: 1px;
      }
    }
  }

  .swiper-button-next {
    left: auto;
    right: 0;
  }

  .swiper-button-prev {
    left: 0;
    right: auto;
  }

  .swiper-button-next,
  .swiper-button-prev {
    box-sizing: border-box;
    width: 12px;
    height: 56px;
    background: rgb(235, 235, 235);
    border: 1px solid rgb(204, 204, 204);
    top: 0;
    margin-top: 0;
    &::after {
      font-size: 12px;
    }
  }
}
</style>
